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Finding the Fourth Proportional to 563,532.42, 777,754.48 and 348,741.66

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Solution

The fourth proportional to 563,532.42, 777,754.48 and 348,741.66 is: 481,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,532.42 : 777,754.48 = 348,741.66 : x
  2. Step 2: Convert to fraction form
    563,532.42/777,754.48 = 348,741.66/x
  3. Step 3: Cross multiply
    563,532.42x = 777,754.48 × 348,741.66
  4. Step 4: Simplify right side
    563,532.42x = 271,235,388,427.64
  5. Step 5: Solve for x
    x = 271,235,388,427.64/563,532.42
  6. Step 6: Final answer
    x = 481,312.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.